CN216309105U

CN216309105U - Liquid flow reversing device

Info

Publication number: CN216309105U
Application number: CN202123034607.6U
Authority: CN
Inventors: 林欢欢; 钱碧波; 王平; 刘雅杰; 胡候林; 王冬暄
Original assignee: GUANGZHOU ENERGY DETECTION RESEARCH INSTITUTE
Current assignee: GUANGZHOU ENERGY DETECTION RESEARCH INSTITUTE
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-15
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to the technical field of flow reversing, in particular to a liquid flow reversing device, which comprises: the utility model adopts the reversing valve with one surface being provided with a groove and one surface being provided with a boss, the integral reversing valve is in an oval shape and is closed and opened when contacting with an arc edge at the outer side, on one hand, the flow velocity impact of fluid can be buffered, and on the other hand, the reversing of the fluid can be accurately controlled.

Description

Liquid flow reversing device

Technical Field

The utility model relates to the technical field of flow reversing, in particular to a liquid flow reversing device.

Background

In the current metering technical mechanisms at home and abroad, the liquid flow standard device mainly comprises two types of fluid switching devices: the first is a closed fluid switching device; and the other is an open fluid switching device with different directions. The two fluid switching devices meet the quantity transmission requirements in the current detection and verification to a certain extent, but with the development of the liquid flow metering technology, the fluid switching devices cannot well meet the requirements of higher and higher measurement precision of the instrument, so that the problems exposed in the use process are more and more.

Therefore, the liquid flow reversing device is provided, the reversing valve with the groove and the boss is adopted, the overall reversing valve is oval, and the overall reversing valve is closed to open and close when contacting with the arc edge on the outer side, so that the flow velocity impact of fluid can be buffered, and the reversing of the fluid can be accurately controlled.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a liquid flow reversing device, which adopts a reversing valve with one groove and one boss, adopts an oval shape as the whole reversing valve, is closed and opened when contacting with an arc edge on the outer side, can buffer the flow velocity impact of fluid on one hand, and can accurately control the reversing of the fluid on the other hand.

The utility model is realized by adopting the following technical scheme: a liquid flow reversing device, comprising: actuating mechanism, angle measurement feedback mechanism, reversing mechanism and pipeline mechanism, actuating mechanism include the shaft coupling, shaft coupling bottom install angle measurement feedback mechanism, angle measurement feedback mechanism include first output shaft and reduction gear, first output shaft bottom install the reduction gear, reduction gear bottom install reversing mechanism, reversing mechanism include second output shaft, fixed platform and switching-over valve, second output shaft bottom install the switching-over valve, the second output shaft run through and install outside fixed platform, switching-over valve externally mounted have pipeline mechanism.

Further, actuating mechanism still include driving motor and drive shaft, the shaft coupling top install the drive shaft, the drive shaft top install driving motor.

Further, the angle measurement feedback mechanism further comprises an angle encoder and a fixing bolt, the angle encoder is installed on the outer side of the first output shaft, and the fixing bolt is installed at the four corners of the bottom of the speed reducer.

Further, the reversing mechanism further comprises a sealing element, a boss and a groove, the sealing element is mounted at the bottom of the fixed platform, the groove is formed in one side of the reversing valve, and the boss is arranged on the other side of the reversing valve.

Further, the pipeline mechanism further comprises a pipeline, a connecting flange, an inner cavity, a first closed groove, a second closed groove and a third closed groove, the reversing valve is installed inside the inner cavity, the pipeline is installed outside the inner cavity, the pipeline is T-shaped, the connecting flange is installed on the outer side of the pipeline, and the first closed groove, the second closed groove and the third closed groove are arranged in the middle of the inner cavity.

Furthermore, the first closed groove, the second closed groove and the third closed groove are all arc-shaped, and the radiuses of the first closed groove, the second closed groove and the third closed groove are equal.

Furthermore, the shape of the reversing valve is oval, and two ends of the reversing valve are tangent to the first closing groove, the second closing groove and the third closing groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model relates to a liquid flow reversing device, which can measure the rotating angle of a driving shaft in real time and feed back the rotating angle to a servo motor through an installed angle encoder, thereby achieving closed-loop control and realizing accurate control of the flow direction and flow of fluid.

2. The utility model relates to a liquid flow reversing device, wherein one side of a reversing valve is provided with a groove, so that a face-phase fluid can flow to the direction to enlarge a fluid space and increase the flow when the flow is needed to be large, and the other side of the reversing valve is provided with a boss, so that the face-phase fluid can flow to the direction to reduce the fluid space and reduce the flow when the flow is small.

3. The utility model relates to a liquid flow reversing device, which can enable water flow to completely flow to an inner cavity on one side when two ends of a reversing valve are tangent to a first closed groove and a third closed groove, and enable the water flow to completely flow to the other side when two ends of the reversing valve are tangent to a second closed groove and a third closed groove.

Drawings

FIG. 1 is an overall view of a fluid flow reversing device of the present invention;

FIG. 2 is an oblique view of a fluid flow reversing device of the present invention;

fig. 3 is an internal structural view of a liquid flow reversing device of the present invention.

In the figure: 1. a drive mechanism; 2. an angle measurement feedback mechanism; 3. a reversing mechanism; 4. a pipeline mechanism; 101. a drive motor; 102. a drive shaft; 103. a coupling; 201. a first output shaft; 202. an angle encoder; 203. a speed reducer; 204. fixing the bolt; 301. a second output shaft; 302. a fixed platform; 303. a seal member; 304. a diverter valve; 305. a boss; 306. a groove; 401. a pipeline; 402. a connecting flange; 403. an inner cavity; 404. a first closed slot; 405. a second closed slot; 406. a third closed tank; .

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

As shown in fig. 1 to 3, a liquid flow reversing device includes: actuating mechanism 1, angle measurement feedback mechanism 2, reversing mechanism 3 and pipeline mechanism 4, actuating mechanism 1 includes shaft coupling 103, angle measurement feedback mechanism 2 is installed to shaft coupling 103 bottom, angle measurement feedback mechanism 2 includes first output shaft 201 and reduction gear 203, reduction gear 203 is installed to first output shaft 201 bottom, reversing mechanism 3 is installed to reduction gear 203 bottom, reversing mechanism 3 includes second output shaft 301, fixed platform 302 and switching-over valve 304, switching-over valve 304 is installed to second output shaft 301 bottom, second output shaft 301 runs through to be installed at fixed platform 302 outsidely, switching-over valve 304 externally mounted has pipeline mechanism 4, actuating mechanism 1 still includes driving motor 101 and drive shaft 102, drive shaft 102 is installed at the shaft coupling 103 top, driving motor 101 is installed at drive shaft 102 top.

The angle measurement feedback mechanism 2 further comprises an angle encoder 202 and a fixing bolt 204, the angle encoder 202 is installed on the outer side of the first output shaft 201, the fixing bolt 204 is installed at the four corners of the bottom of the speed reducer 203, the rotating angle of the driving shaft 102 can be measured in real time through the installed angle encoder 202 and fed back to the servo motor, closed-loop control is achieved, and the flow direction and the flow rate of fluid can be controlled accurately, the reversing mechanism 3 further comprises a sealing element 303, a boss 305 and a groove 306, the sealing element 303 is installed at the bottom of the fixing platform 302, the groove 306 is arranged on one side of the reversing valve 304, the boss 305 is arranged on the other side of the reversing valve 304, the groove 306 is arranged on one side of the reversing valve 304, when the flow rate is large, the flow direction of the face-phase fluid can be increased, the fluid space is increased, the flow rate is increased, the boss 305 is arranged on the other side of the reversing valve 304, and the flow rate can be small, the fluid of the surface phase flows to the direction, and the fluid space is reduced, so that the flow is reduced.

The pipeline mechanism 4 further comprises a pipeline 401, a connecting flange 402, an inner cavity 403, a first closed groove 404, a second closed groove 405 and a third closed groove 406, the reversing valve 304 is installed inside the inner cavity 403, the pipeline 401 is installed outside the inner cavity 403, the pipeline 401 is T-shaped, the connecting flange 402 is installed outside the pipeline 401, the first closed groove 404, the second closed groove 405 and the third closed groove 406 are arranged in the middle of the inner cavity 403, the first closed groove 404, the second closed groove 405 and the third closed groove 406 are all arc-shaped and have equal radius, the reversing valve 304 is oval, two ends of the reversing valve 304 are tangent to the first closed groove 404, the second closed groove 405 and the third closed groove 406, when the two ends of the reversing valve 304 are tangent to the first closed groove 404 and the third closed groove, water flow 406 can completely flow to the inner cavity on one side, when the two ends of the reversing valve 304 are tangent to the second closed groove 405 and the third closed groove 406, the water flow can completely flow to the other side, in addition, the angle between the first closed groove 404 and the second closed groove 405 is 90 degrees, and the water flow can be fed back to the driving motor 101 according to the rotation angle of the angle encoder to be accurately controlled.

A specific embodiment of the present design, as shown in fig. 1 to 3, an angle measurement feedback mechanism 2 is installed at the bottom of a coupler 103 in a driving mechanism 1, a speed reducer 203 is installed at the bottom of a first output shaft 201 in the angle measurement feedback mechanism 2, a reversing mechanism 3 is installed at the bottom of the speed reducer 203, a reversing valve 304 is installed at the bottom of a second output shaft 301, the second output shaft 301 is installed outside a fixed platform 302 in a penetrating manner, a pipeline mechanism 4 is installed outside the reversing valve 304, a driving shaft 102 is installed at the top of the coupler 103, a driving motor 101 is installed at the top of the driving shaft 102, an angle encoder 202 is installed outside the first output shaft 201, fixing bolts 204 are installed at four corners at the bottom of the speed reducer 203, and through the installed angle encoder 202, the rotating angle of the driving shaft 102 can be measured in real time and fed back to a servo motor, closed-loop control is achieved, and fluid flow direction and flow rate are accurately controlled, the bottom of the fixed platform 302 is provided with a sealing element 303, one side of the reversing valve 304 is provided with a groove 306, the other side of the reversing valve 304 is provided with a boss 305, when the flow rate is larger, the flow direction of the face-phase fluid can be increased by arranging the groove 306 on one side of the reversing valve 304, the flow rate is increased, the other side of the reversing valve 304 is provided with the boss 305, when the flow rate is smaller, the flow direction of the face-phase fluid can be reduced, the flow rate is reduced, the reversing valve 304 is arranged in the inner cavity 403, the outer part of the inner cavity 403 is provided with a pipeline 401, the pipeline 401 is T-shaped, the outer side of the pipeline 401 is provided with a connecting flange 402, the middle part of the inner cavity 403 is provided with a first closed groove 404, a second closed groove 405 and a third closed groove 406, the first closed groove 404, the second closed groove 405 and the third closed groove 406 are all arc-shaped, the radiuses are equal, and the shape of the reversing valve 304 is oval, the two ends of the reversing valve 304 are tangent to the first closed groove 404, the second closed groove 405 and the third closed groove 406, when the two ends of the reversing valve 304 are tangent to the first closed groove 404 and the third closed groove 406, water flow can completely flow to an inner cavity on one side, when the two ends of the reversing valve 304 are tangent to the second closed groove 405 and the third closed groove 406, water flow can completely flow to the other side, in addition, the angle between the first closed groove 404 and the second closed groove 405 is 90 degrees, and the water flow can be fed back to the driving motor 101 according to the rotating angle of the angle encoder to be accurately controlled.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A fluid flow diverter device, comprising: a driving mechanism (1), an angle measuring feedback mechanism (2), a reversing mechanism (3) and a pipeline mechanism (4), the driving mechanism (1) comprises a coupler (103), an angle measuring feedback mechanism (2) is arranged at the bottom of the coupler (103), the angle measuring feedback mechanism (2) comprises a first output shaft (201) and a speed reducer (203), a speed reducer (203) is arranged at the bottom of the first output shaft (201), a reversing mechanism (3) is arranged at the bottom of the speed reducer (203), the reversing mechanism (3) comprises a second output shaft (301), a fixed platform (302) and a reversing valve (304), the bottom of the second output shaft (301) is provided with a reversing valve (304), the second output shaft (301) is installed outside the fixed platform (302) in a penetrating mode, and a pipeline mechanism (4) is installed outside the reversing valve (304).

2. The liquid flow reversing device of claim 1, wherein: the driving mechanism (1) further comprises a driving motor (101) and a driving shaft (102), the driving shaft (102) is installed at the top of the coupler (103), and the driving motor (101) is installed at the top of the driving shaft (102).

3. The liquid flow reversing device of claim 1, wherein: the angle measurement feedback mechanism (2) further comprises an angle encoder (202) and a fixing bolt (204), the angle encoder (202) is installed on the outer side of the first output shaft (201), and the fixing bolt (204) is installed at the four corners of the bottom of the speed reducer (203).

4. The liquid flow reversing device of claim 1, wherein: reversing mechanism (3) still include sealing member (303), boss (305) and recess (306), fixed platform (302) bottom install sealing member (303), switching-over valve (304) one side be equipped with recess (306), switching-over valve (304) opposite side be equipped with boss (305).

5. The liquid flow reversing device of claim 1, wherein: pipeline mechanism (4) still include pipeline (401), flange (402), inner chamber (403), first closed groove (404), second closed groove (405) and third closed groove (406), switching-over valve (304) install inside inner chamber (403), inner chamber (403) externally mounted have pipeline (401), pipeline (401) shape be the T type, pipeline (401) outside install flange (402), inner chamber (403) middle part be equipped with first closed groove (404), second closed groove (405) and third closed groove (406).

6. The liquid flow reversing device of claim 5, wherein: the first closed groove (404), the second closed groove (405) and the third closed groove (406) are all arc-shaped, and the radiuses of the first closed groove, the second closed groove and the third closed groove are equal.

7. The liquid flow reversing device of claim 4, wherein: the shape of the reversing valve (304) is oval, and two ends of the reversing valve (304) are tangent to the first closing groove (404), the second closing groove (405) and the third closing groove (406).